Science & Exploration
Did you know: How big are stars?
We wanted to know: How big are stars? We asked the members of the public in Europe what they think. Watch the video to discover the answer.
Did you know: How many stars exist in our solar system?
Did you know: How long does it take to get to Mars?
Did you know: How often do astronauts wash their clo…
Meet the Experts: Our place in space
